VYLOY is the first and only CLDN18.2-targeted treatment approved in the U.S. for adults with advanced gastric and gastroesophageal junction cancer whose tumors are CLDN18.2 positive TOKYO, Oct. 18, 2024 /PRNewswire/ -- Astellas Pharma Inc. (TSE: 4503, President and CEO: Naoki Okamura, "Astellas") today announced that the U.S. Food and Drug Administration (FDA) has approved VYLOY™ (zolbetuximab-clzb) in combination with fluoropyrimidine- and platinum-containing chemotherapy for the first-line treatment of ad ...